http://dewey.info/scheme/edition/e23/ en
363.7387 Fumes, gases, smoke
363.73874 Greenhouse gases
363.738742 Greenhouse effect--incidence 363.738746 Greenhouse effect--control
http://dewey.info/scheme/edition/e22/ de
363.7387 Abgase, Gase, Rauch
363.73874 Treibhausgase
363.738742 Treibhauseffekt—Verbreitung 363.738746 Treibhauseffekt—Kontrolle
Dewey Decimal Classification
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